ath6kl: add support for ar6004 hw3.0

This change enables ath6kl driver to support ar6004 hw3.0. At the same time do
some fixes in firmware initialisation which applies to ar6004 hw1.3 as well.

Signed-off-by: Jessica Wu <wjessica@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath6kl/core.h

@@ -148,6 +148,9 @@ enum ath6kl_fw_capability {
 	/* ratetable is the 2 stream version (max MCS15) */
 	ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,
 
+	/* firmare doesn't support IP checksumming */
+	ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
+
 	/* this needs to be last */
 	ATH6KL_FW_CAPABILITY_MAX,
 };
@@ -167,6 +170,7 @@ enum ath6kl_hw_flags {
 #define ATH6KL_FW_API2_FILE "fw-2.bin"
 #define ATH6KL_FW_API3_FILE "fw-3.bin"
 #define ATH6KL_FW_API4_FILE "fw-4.bin"
+#define ATH6KL_FW_API5_FILE "fw-5.bin"
 
 /* AR6003 1.0 definitions */
 #define AR6003_HW_1_0_VERSION                 0x300002ba
@@ -224,8 +228,21 @@ enum ath6kl_hw_flags {
 #define AR6004_HW_1_3_VERSION			0x31c8088a
 #define AR6004_HW_1_3_FW_DIR			"ath6k/AR6004/hw1.3"
 #define AR6004_HW_1_3_FIRMWARE_FILE		"fw.ram.bin"
-#define AR6004_HW_1_3_BOARD_DATA_FILE		"ath6k/AR6004/hw1.3/bdata.bin"
-#define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE	"ath6k/AR6004/hw1.3/bdata.bin"
+#define AR6004_HW_1_3_TCMD_FIRMWARE_FILE	"utf.bin"
+#define AR6004_HW_1_3_UTF_FIRMWARE_FILE		"utf.bin"
+#define AR6004_HW_1_3_TESTSCRIPT_FILE		"nullTestFlow.bin"
+#define AR6004_HW_1_3_BOARD_DATA_FILE	      AR6004_HW_1_3_FW_DIR "/bdata.bin"
+#define AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE AR6004_HW_1_3_FW_DIR "/bdata.bin"
+
+/* AR6004 3.0 definitions */
+#define AR6004_HW_3_0_VERSION			0x31C809F8
+#define AR6004_HW_3_0_FW_DIR			"ath6k/AR6004/hw3.0"
+#define AR6004_HW_3_0_FIRMWARE_FILE		"fw.ram.bin"
+#define AR6004_HW_3_0_TCMD_FIRMWARE_FILE	"utf.bin"
+#define AR6004_HW_3_0_UTF_FIRMWARE_FILE		"utf.bin"
+#define AR6004_HW_3_0_TESTSCRIPT_FILE		"nullTestFlow.bin"
+#define AR6004_HW_3_0_BOARD_DATA_FILE	      AR6004_HW_3_0_FW_DIR "/bdata.bin"
+#define AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE AR6004_HW_3_0_FW_DIR "/bdata.bin"
 
 /* Per STA data, used in AP mode */
 #define STA_PS_AWAKE		BIT(0)

drivers/net/wireless/ath/ath6kl/init.c

@@ -149,18 +149,43 @@ static const struct ath6kl_hw hw_list[] = {
 		.board_ext_data_addr		= 0x437000,
 		.reserved_ram_size		= 7168,
 		.board_addr			= 0x436400,
-		.refclk_hz                      = 40000000,
+		.refclk_hz                      = 0,
 		.uarttx_pin                     = 11,
 		.flags				= 0,
 
 		.fw = {
 			.dir            = AR6004_HW_1_3_FW_DIR,
 			.fw             = AR6004_HW_1_3_FIRMWARE_FILE,
+			.tcmd	        = AR6004_HW_1_3_TCMD_FIRMWARE_FILE,
+			.utf		= AR6004_HW_1_3_UTF_FIRMWARE_FILE,
+			.testscript	= AR6004_HW_1_3_TESTSCRIPT_FILE,
 		},
 
 		.fw_board               = AR6004_HW_1_3_BOARD_DATA_FILE,
 		.fw_default_board       = AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE,
 	},
+	{
+		.id				= AR6004_HW_3_0_VERSION,
+		.name				= "ar6004 hw 3.0",
+		.dataset_patch_addr		= 0,
+		.app_load_addr			= 0x1234,
+		.board_ext_data_addr		= 0,
+		.reserved_ram_size		= 7168,
+		.board_addr			= 0x436400,
+		.testscript_addr		= 0,
+		.flags				= 0,
+
+		.fw = {
+			.dir		= AR6004_HW_3_0_FW_DIR,
+			.fw		= AR6004_HW_3_0_FIRMWARE_FILE,
+			.tcmd	        = AR6004_HW_3_0_TCMD_FIRMWARE_FILE,
+			.utf		= AR6004_HW_3_0_UTF_FIRMWARE_FILE,
+			.testscript	= AR6004_HW_3_0_TESTSCRIPT_FILE,
+		},
+
+		.fw_board		= AR6004_HW_3_0_BOARD_DATA_FILE,
+		.fw_default_board	= AR6004_HW_3_0_DEFAULT_BOARD_DATA_FILE,
+	},
 };
 
 /*
@@ -596,7 +621,9 @@ int ath6kl_configure_target(struct ath6kl *ar)
 	 * but possible in theory.
 	 */
 
-	if (ar->target_type == TARGET_TYPE_AR6003) {
+	if ((ar->target_type == TARGET_TYPE_AR6003) ||
+	    (ar->version.target_ver == AR6004_HW_1_3_VERSION) ||
+	    (ar->version.target_ver == AR6004_HW_3_0_VERSION)) {
 		param = ar->hw.board_ext_data_addr;
 		ram_reserved_size = ar->hw.reserved_ram_size;
 
@@ -1110,6 +1137,12 @@ int ath6kl_init_fetch_firmwares(struct ath6kl *ar)
 	if (ret)
 		return ret;
 
+	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API5_FILE);
+	if (ret == 0) {
+		ar->fw_api = 5;
+		goto out;
+	}
+
 	ret = ath6kl_fetch_fw_apin(ar, ATH6KL_FW_API4_FILE);
 	if (ret == 0) {
 		ar->fw_api = 4;
@@ -1236,7 +1269,13 @@ static int ath6kl_upload_board_file(struct ath6kl *ar)
 	}
 
 	/* record the fact that Board Data IS initialized */
-	ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, 1);
+	if ((ar->version.target_ver == AR6004_HW_1_3_VERSION) ||
+	    (ar->version.target_ver == AR6004_HW_3_0_VERSION))
+		param = board_data_size;
+	else
+		param = 1;
+
+	ath6kl_bmi_write_hi32(ar, hi_board_data_initialized, param);
 
 	return ret;
 }
@@ -1367,7 +1406,11 @@ static int ath6kl_upload_testscript(struct ath6kl *ar)
 	}
 
 	ath6kl_bmi_write_hi32(ar, hi_ota_testscript, address);
-	ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096);
+
+	if ((ar->version.target_ver != AR6004_HW_1_3_VERSION) &&
+	    (ar->version.target_ver != AR6004_HW_3_0_VERSION))
+		ath6kl_bmi_write_hi32(ar, hi_end_ram_reserve_sz, 4096);
+
 	ath6kl_bmi_write_hi32(ar, hi_test_apps_related, 1);
 
 	return 0;
@@ -1577,6 +1620,7 @@ static const struct fw_capa_str_map {
 	{ ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS, "ap-inactivity-mins" },
 	{ ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, "map-lp-endpoint" },
 	{ ATH6KL_FW_CAPABILITY_RATETABLE_MCS15, "ratetable-mcs15" },
+	{ ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM, "no-ip-checksum" },
 };
 
 static const char *ath6kl_init_get_fw_capa_name(unsigned int id)

drivers/net/wireless/ath/ath6kl/main.c

@@ -1293,6 +1293,8 @@ static const struct net_device_ops ath6kl_netdev_ops = {
 
 void init_netdev(struct net_device *dev)
 {
+	struct ath6kl *ar = ath6kl_priv(dev);
+
 	dev->netdev_ops = &ath6kl_netdev_ops;
 	dev->destructor = free_netdev;
 	dev->watchdog_timeo = ATH6KL_TX_TIMEOUT;
@@ -1304,7 +1306,9 @@ void init_netdev(struct net_device *dev)
 					WMI_MAX_TX_META_SZ +
 					ATH6KL_HTC_ALIGN_BYTES, 4);
 
-	dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+	if (!test_bit(ATH6KL_FW_CAPABILITY_NO_IP_CHECKSUM,
+		      ar->fw_capabilities))
+		dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
 
 	return;
 }

drivers/net/wireless/ath/ath6kl/usb.c

@@ -1210,6 +1210,7 @@ static int ath6kl_usb_pm_reset_resume(struct usb_interface *intf)
 
 /* table of devices that work with this driver */
 static struct usb_device_id ath6kl_usb_ids[] = {
+	{USB_DEVICE(0x0cf3, 0x9375)},
 	{USB_DEVICE(0x0cf3, 0x9374)},
 	{ /* Terminating entry */ },
 };